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The Gronk's Gem slot game has a troll theme and is based on Gronk, a big but amiable cave troll who likes to collect gems. He resembles a cross between Panthro from the Thundercats cartoon series and two Middle Earth trolls from The Lord of the Rings.

Gronk’s Gems Slot, Game Play & Betting Option

A Cluster Pays mechanic and a 66 grid are both used in the Gronk's Gems slot game. When five or more matching symbols appear next to one another, winning combinations or clusters are created (in a cluster). The reward increases with the number of symbols in a cluster. See our article on Grid Slots for additional details on this genre of game.

Spin bet selections range from 10p to ￡100. This is essentially the stake range that Hacksaw Gaming slots have to offer. Use the up and down arrows to adjust the Bet section as necessary. When you change the size of your stake, all rewards that are listed in the Paytable will also change.

Outside of the UK, there is an Autoplay feature that allows up to 1,000 auto spins along with loss and single win restrictions to be chosen. You can use the Turbo and Super Turbo settings to increase the spin speed (again for non UK players). By selecting them, simply click the three-line icon (bottom left-hand corner). You need to look at other interesting reviews such as the king carrot slot demo in full for optimal results.

RTP & Volatility Gronk’s Gems Slot

The RTP for Gronk's Gems slot game is 96.24%, which is higher than the 96% average return for online slots. It's wise to check the version you're playing because certain casinos may have lower RTP versions available. It has a medium level of volatility and a rating of 3/5.
The maximum prize on the Gronk's Gems slot game is 7,500 times your total bet. The Gem Hoarder function, which has a progressive multiplier, offers the best chance of striking it rich.

Payouts & Symbols

The color pattern is dominated by blue and is set in a dismal woodland. You can see the grid with Gronk to the left and the symbols lighting up. In addition to blue octagon, purple hexagon, gold star, and orange diamond gems, they also feature green, blue, pink, and yellow uncut stones. The orange diamond gem symbol is the best payer, paying 1,500 times your entire wager when 36 or more of them appear in a cluster. Don't miss the next review you should know about the best medium volatility slots.

There are no wild symbols, which is unusual. The Epic Gem Scatter, Gronk's Head, and Gem Bag symbols, which are all present, are detailed in more depth below.

Green Uncut Gem: 36+ pays 150 x bet
Blue Uncut Gem: 36+ pays 150 x bet
Pink Uncut Gem: 36+ pays 200 x bet
Yellow Uncut Gem: 36+ pays 200 x bet
Blue Octagon Gem: 36+ pays 300 x bet
Purple Hexagon Gem: 36+ pays 400 x bet
Gold Star Gem: 36+ pays 500 x bet
Orange Diamond Gem: 36+ pays 1,500 x bet
Epic Gem Scatter: Appears during Charged Symbols feature
Gem Bag Scatter: 3 triggers Gronk's Treasure feature
Gronk's Head Scatter: 3 triggers Gem Hoarder feature
X-Gem: Only appears during Gem Hoarder feature
Gronk’s Gems Slot Game Bonus Features
There are 5 extra features in the Gronk's Gems slot game. There are two free spins features with cascades and charged symbols. In one, the probability of Epic Gem scatters is increased, while in the other, a progressive multiplier is applied when an X-Gem symbol appears next to a winning cluster.

Cascade feature

The Cascade function activates when a winning combination is made. New symbols fill the voids left by winning symbols in the cluster as they explode. The cascades continue as long as new winning clusters are formed, giving you additional chances to win.

Charged Symbols feature

The winning symbol type will light and enter a charged state when you land a winning cluster. The "Change Bar" above the grid will display these charged symbols. Until the conclusion of the current spin, the symbols are still in their charged state. Keep an eye out for cascades where the Epic Gem Scatter sign may appear.

The Epic Gem Scatter is activated once there have been no more victories. All charged symbols are changed into the highest value charged symbol by the Epic Gem Scatter. The Epic Gem will then absorb all charged symbols, counting them as one winning cluster.

Gronk’s Treasure feature

When three Gronk's Head Scatter symbols appear simultaneously on a base game spin, the Gronk's Treasure feature is triggered. In comparison to the regular game, there is a greater possibility of landing Epic Gem Scatters throughout the 10 free spins awarded. This implies that the Charged Symbols feature will be activated more frequently.

Gem Hoarder feature

The Gem Hoarder feature is activated when three Gronk's Head Scatter symbols land on a basic game spin. The next reward is five free spins that can be refilled. All five of your free spins will be refilled if you land three Gem Bag symbols during a single free spin.

Importantly, whenever winning symbols are eliminated, a progressive multiplier grows. The multiplier value rises in proportion to the number of symbols that are deleted. For instance, if five winning symbols are eliminated, the multiplier increases by five.

The progressive multiplier is applied to any cluster of winning symbols that is connected to the unique X-Gem symbol. The progressive multiplier is used once for each X-Gem symbol that connects to the same winning cluster if there are multiple X-Gem symbols doing so.

Buy Bonus feature

A Buy Bonus feature is available to non-UK slot players. You can buy your way into a number of bonus features by selecting the pink "Buy Bonus" icon in the bottom left corner. The tricks to playing slots need to be done correctly, so understand the review of what does volatility mean in good slots to add to your information.

Gronk’s Gems Slot Game: Conclusion

The Gronk's Gem slot game is extremely Hacksaw Gaming in terms of aesthetics: excellent, crisp graphics and animations with a slightly ominous vibe. It may help that the cute troll isn't at all frightening. The symbols do stand out on the grid in terms of appearance.